Sodium hydroxide for industrial use—Laboratory sample—Preparation of the main solution for carrying out certain determinations
NEQ ISO 3195:1975(2002)
全国化学标准化技术委员会氯碱分会(SAC/TC 63/SC 6)
本标准规定了工业用氢氧化钠的采样说明、实验室样品和进行项目测定用主溶液的制备。
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